Packing for joints.



because the packingl has lostthe ability to the steam or by a manent elasticity,

UNITED STATES PATENT oFFIoIi.

EDWARD JAMES ()BER, or TAYLOR, L()U.lS1ANA,-ASSIGNOR oF'sEvEN- TWELFTHS TO CYRUS E. MILLER ANDTHREE-TW ELrrHs TO EMMETT CONRAD, oF rNDEN. LOUISIANA.

PACKlNG FoR JOINTS.

Specification of Letters Patent.

Patented Nov. 6 ,1906,

To all ivhom it may concern.-

Be it known that I, EDWARD JAMES OBER, a citizen of the United States, residing at Taylor, in the parish of Bienville' and-State of Louisiana, have invented certain new and usefullmprovements inPackings for Joints, of which the following is a specification, reference being had therein to the accompanyingvldrawing. r

y invention relates topackin s for joints, and particularly to packing for t e glands of piston-rods, steam-pipes, and the like.

Amon the essential requisites of a ood packing or steam-engines is that it sha 1 be unaffected by dry and moist heat and also that it shall possess substantially unimpaired elasticity after prolonged use. Hitherto these desirable features have not usually been found together. In the effort to obtain freedom from deterioration by the action of dry heat materials have cking in inherent and perand as a result the joint is found to leak in time, while the defect is. not readily removed by atightening of the parts,

been employed respond under suc pressure and fill the space. Particularly is this true in packings for stuffing-boxes employed with piston-rods and other moving parts.

The packin forming the sub ect of this application com ines the desirable characteristics enumerated, due to the natural qualities of the material employed and to those imparted by the treatment to which it its sub- 160t6d, 'my invention residing in the packing per se and also. in the novel method of roducin the same, as will be hereinafter fiilly descri ed and more particularly claimed.

To produce the packing, I take the husks of ordinary maizeor Indian corn, remove the butts and coarse woody portions, and twist or braid the remainder by any suitable means into a compact, rope of a size corresponding to the joint to be packed. After twisting, the fibers may advantageously be further compacted by passing throu h suitablyformed rolls. The husk rope is t en steamed until moist throughout and. placed in a vat containing a moderately-heated solution coinpound of one gallon cylinderoil, one-half pound tallow, four ounces graphite, and one ounce of glycerin. The rope is allowed .oil.

to remain in the solution and .preferably l kneaded until thoroughly saturated therewith and then taken out, the excess of solu-- tion removed, and allowed to cool and dry in the open air.

of the ro e is cut off sufficient to extend It is then superficially coated with dry graphite and stored until required around t e joint, laced in position, and

pressed home by tig tening the joint in the ordinary way.

From time to time a further tightenin of the jointwill force the packing into 0 oser relation to the machine parts, the fibers of the packing rearranging themselves under pressure and retaining unimpaired their life and elasticity through a eriod of' use beyond anything heretofore nown in this art.

While some of the ingredients forming the solution with which the husk is saturated may be omitted and yet results secured which are an advance as compared withother packings, yet I find that the best result follows the use of all the-materials in substantially the manner set out.

Having thus described my said invention, what I claim as new, and desire to secure by Letters Patent of the United States, is

1. A packing for joints consisting of steamed corn-husks impregnated with a lubricant.

2. A packing for joints consisting of steamed corn-husks impregnated with oil.

3. A packing for joints consisting of a steamed corn-husk rope-impregnated with a steamed cor -huk rope impregnated with 5. A packing for oints consisting of a steamed corn-husk rope impregnated with oil, gra

bite and glycerin.

- 6. T e method of making a packing for joints, which consists in steaming corn-husks, saturating with alubricant, and removing the surplus lubricant.

7. The method of making a packing for joints, which consists in steaming corn-husks,

. 1 lwisted into the form of a rope, saturating 8. The method of making a packing for witha. heated mixture of cylinder-oil,graphx5 oints, which consists in forming a ro )e of ite, tallow and glycerin, and removing the 5 eorn-husks, steaming, impregnating wlth a surplus liquid, and dryin lubricant, and drying. In'testimony whereof I hereunto affix my 9.- The method of making a packing for signature in presence of two Witnesses. oints, which consists in steaming corn-husks,

saturating withn heated mixture of cylinder- EDWARD l OBER' IQ oil, graphite, tnllow and glvcerin, and re- Witnesses:

moving the surplus liquid, and dryin GEORGE WOODARD,

10 lhe method of making a, packmg for C. C. OBER. 

